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Finding the Fourth Proportional to 8,483.93, 11,719.04 and 7,072.23

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Solution

The fourth proportional to 8,483.93, 11,719.04 and 7,072.23 is: 9,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.93 : 11,719.04 = 7,072.23 : x
  2. Step 2: Convert to fraction form
    8,483.93/11,719.04 = 7,072.23/x
  3. Step 3: Cross multiply
    8,483.93x = 11,719.04 × 7,072.23
  4. Step 4: Simplify right side
    8,483.93x = 82,879,746.26
  5. Step 5: Solve for x
    x = 82,879,746.26/8,483.93
  6. Step 6: Final answer
    x = 9,769.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.